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ARS Home Office of Communications Images Photos Jan17





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**Image Number D3717-1** ARS molecular biologist Xiaohua He (right) and technician Stephanie Patfield observe results of a new test that can detect Shiga toxins from *E. coli* bacteria.  Photo by Yong Gu.  640 pixels wide: (d3717-1.jpg)   Please visit our Image Gallery.


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